Overview

The CriticalLabAlert event triggers immediate notification to providers when laboratory results indicate a life-threatening condition.

Event Data

{
  "eventId": "uuid",
  "eventType": "CriticalLabAlert",
  "timestamp": "ISO 8601",
  "data": {
    "patientId": "string",
    "mrn": "string",
    "orderId": "string",
    "testName": "string",
    "loincCode": "string",
    "criticalValue": "string",
    "unit": "string",
    "referenceRange": "string",
    "orderingProvider": "string",
    "notificationMethod": "page | sms | phone",
    "escalationTime": "number (minutes)",
    "locationOfPatient": "string"
  }
}

Critical Values Examples

Hematology

• WBC < 2.0 or > 30.0
• Hemoglobin < 7.0
• Platelets < 20

Chemistry

• Potassium < 2.5 or > 6.5
• Sodium < 120 or > 160
• Glucose < 40 or > 500
• Calcium < 6.5 or > 13.0

Coagulation

• INR > 5.0 (anticoagulation)
• PTT > 100 seconds

Notification Process

1. Alert detected immediately
2. Provider paged automatically
3. Direct phone call initiated
4. Escalation if not acknowledged (15 min)
5. Document notification and provider action